As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION, 'GEAR NOT LATCHED' LIGHT ILLUMINATED. AIRCRAFT MADE AIR TURN-BACK AND RETURNED TO MIAMI WITHOUT INCIDENT. UPON LANDING, FOUND LT MLG RETRACT PIN SHEARED. REMOVED REMAINING PART OF PIN AND INSTALLED NEW PIN AND NUT IAW SB 32-102. OPS CHECKED IAW MM 32-32-2 AND FOUND NORMAL AT THIS TIME.